class_docstr: CacheChecker is a component that checks for the presence of documents in a Document Store based on a specified
  cache field.
docstr: Deserialize this component from a dictionary.
docstr_tok: ["Deserialize","this","component","from","a","dictionary","."]
code: def from_dict(cls, data: Dict[str, Any]) -> "CacheChecker":
      """
      Deserialize this component from a dictionary.
      """
      init_params = data.get("init_parameters", {})
      if "document_store" not in init_params:
          raise DeserializationError(
              "Missing 'document_store' in serialization data"
          )
      if "type" not in init_params["document_store"]:
          raise DeserializationError(
              "Missing 'type' in document store's serialization data"
          )
  
      try:
          module_name, type_ = init_params["document_store"][
              "type"
          ].rsplit(".", 1)
          logger.debug("Trying to import %s", module_name)
          module = importlib.import_module(module_name)
      except (ImportError, DeserializationError) as e:
          raise DeserializationError(
              f"DocumentStore of type '{init_params['document_store']['type']}' not correctly imported"
          ) from e
  
      docstore_class = getattr(module, type_)
      docstore = docstore_class.from_dict(init_params["document_store"])
  
      data["init_parameters"]["document_store"] = docstore
      return default_from_dict(cls, data)
  
file_path: haystack/haystack/components/caching/cache_checker.py
imports: from typing import List, Dict, Any
  import importlib
  import logging
  from haystack import component, Document, default_from_dict, default_to_dict, DeserializationError
  from haystack.document_stores.types import DocumentStore
label_desc: Use image node_id 3 for calling the CacheChecker obj's underlying member method code with example usage: obj.from_dict(cls, data) and returns: default_from_dict